updated conditional rendering of ax legend

Author: ay7991

src/app/components/StateRoute/AxMap/Ax.tsx

@@ -488,11 +488,13 @@ export default function AxTree(props) {
 
       {/* ax Legend */}
       <div>
-        <button id='axLegendButton' style={{position: 'absolute'}} onClick={() => dispatch(renderAxLegend())}></button>
-
         { axLegendButtonClicked ? 
           <AxLegend /> : ''
         }
+
+        <button id='axLegendButton' onClick={() => dispatch(renderAxLegend())}>
+          Generate Ax Tree Legend
+        </button>
       </div>
 
     </div>